Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
1. demian2
61
00:04.72
2. Another 00:06.87
3. Icay
93
00:07.26
4. DogeFall
15
00:09.79
5. qobi
142
00:10.13
6. businesspig1 00:10.22
7. KevinPiface 00:10.60
8. MEGACHEESE
20
00:11.11
9. sprstition
24
00:11.66
10. GeorgPfleger
69
00:12.02
11. Dorice
148
00:12.69
12. Mearra
57
00:12.88
13. Goubtless
27
00:13.32
14. BluejaySerenade 00:14.33
15. Juv4xxYT 00:14.46
16. IzAlexandre2
80
00:14.80
17. JinLanyu 00:17.77
18. seanM 00:17.97
19. Zer0pi314 00:18.08
20. haihai 00:18.32
This Week
1. Another 00:06.87
2. Icay
93
00:07.26
3. DogeFall
15
00:09.79
4. GeorgPfleger
69
00:12.02
5. Dennis Meinen
54
00:33.88
6. RenaKang
2
01:41.97
7. Darryl Stein
8
01:55.36
8.--- empty -----:--
9.--- empty -----:--
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11.--- empty -----:--
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13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
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19.--- empty -----:--
20.--- empty -----:--
Today
1.--- empty -----:--
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. vowels
171
00:04.36
2. demian2
61
00:04.66
3. BingBongBob
76
00:05.15
4. nabifan
68
00:05.27
5. mtanzer
140
00:05.34
6. Vicell
9
00:05.55
7. sfumato
160
00:06.36
8. qqwref
203
00:06.46
9. bearn
127
00:06.96
10. PuzzleMaestro
51
00:07.61
AO5
1. vowels
171
00:04.48
2. demian2
61
00:04.92
3. BingBongBob
76
00:05.39
4. nabifan
68
00:05.41
5. Vicell
9
00:06.12
6. mtanzer
140
00:06.28
7. qqwref
203
00:06.46
8. sfumato
160
00:06.68
9. bearn
127
00:07.20
10. PuzzleMaestro
51
00:07.90
AO12
1. vowels
171
00:05.39
2. BingBongBob
76
00:05.84
3. demian2
61
00:06.31
4. nabifan
68
00:06.91
5. Vicell
9
00:07.26
6. sfumato
160
00:07.41
7. qqwref
203
00:07.49
8. mtanzer
140
00:07.81
9. bearn
127
00:08.34
10. Icay
93
00:08.97
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.707
3.--- empty -----:--

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2022-11-29 03:23:06

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